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lakkis [162]
3 years ago
6

What is the percent of change for $15.60 to $11.70

Mathematics
1 answer:
mixas84 [53]3 years ago
4 0
When we talk about percent change, we first need to know the difference between the two numbers. Let's find that:

15.60-11.70=3.90

The difference is $3.90. So to find the percent change, we need to take the difference, and divide it by the original amount. In this case, the original amount is $15.60:

\frac{3.90}{15.60} =0.25

This number, 0.25, is in decimal form. However, we know that in order to get this to percentage, we need to multiply by 100:

0.25*100=25

This means that the total percent change is 25%.
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Find an equation of the line through (2,6) and parallel to y=2x+3
Setler [38]

Step-by-step explanation:

We first Find the Slope of the line y=2x+3

The Slope Intercept Form of the equation of a given line is:

y=mx+c

where m is the Slope of that line, and c is the Y intercept.

For this line, the Slope is 2

So the Slope of the line PARALLEL to y=2x+3 will also be 2. And we are given that it passes through the point (2,6)

The Point-Slope form of the Equation of a Straight Line is:

(y−k)=m⋅(x−h)

m is the Slope of the Line

(h,k) are the co-ordinates of any point on that Line.

Here, we have been given the coordinates (h,k) of 1 point on that line as (2,6)

And the Slope m is 2

Substituting the values of h,k and m in the Point-Slope form, we get

(y−2)=(2)⋅(x−6)

(y−2)=2⋅(x-6)

y−2=2x -12

y=2x -12 +2

y=2x-10

The graph will look like

graph{y=2x -10 10 [10, -10, 5, - 5]}

3 0
3 years ago
Please help me because I don't understand how to do it.:)
shutvik [7]

Answer:

y= 1/3 x +5

Step-by-step explanation:

To find the slope, we take two points

(0,5)   and (15,10)

The slope is found by the formula

m = (y2-y1)/ (x2-x1)

   = (10-5)/(15-0)

   = 5/15

   = 1/3

The slope is 1/3

The y intercept is found when x=0

When x=0  y=5

The slope intercept form of the line is

y=mx+b  where m is the slope and b is the y intercept

y= 1/3 x +5

3 0
3 years ago
How many diagonals can be drawn from one vertex of a hexagon
Dmitrij [34]
Three diagonals can be drawn in a hexagon mmyyy dude.
5 0
3 years ago
Read 2 more answers
Please help me with this problem thank you
horsena [70]

Answer:

take a picture of it and then put it up

Step-by-step explanation:

and they should give you the answer

5 0
2 years ago
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Which of the following is being constructed in the image.
Sliva [168]

Answer:

  3. a line perpendicular to a given line through a point not on the line

Step-by-step explanation:

The point not on the line suggests that choices 1 and 3 are possibilities. The fact that the dotted line is not parallel (and is perpendicular) to the solid line suggests that choice 3 is applicable and choice 1 is not.

The short arcs are equidistant from the end points of the chord that intercepts the larger arc. Hence the line through the crossing point of the short arcs and the point on the other side of the line will be the perpendicular bisector of the chord, and will be perpendicular to the solid line. Creating that perpendicular is likely the purpose of the construction.

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